﻿/*
   Copyright 2012 Dmitry Bratus

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

using System;
using System.ServiceModel;

namespace Flower.Services
{
    /// <summary>
    /// The processor interface.
    /// </summary>
    [ServiceContract(Namespace = XmlNamespace.Processor)]
    public interface IProcessor
    {
        /// <summary>
        /// Tells the processor to check its pending processes. 
        /// </summary>
        [OperationContract(IsOneWay = true)]
        void CheckPendingProcesses();

        /// <summary>
        /// Starts or stops the processor service. 
        /// On attempt to start already running service or stop
        /// already stopped service does nothing.
        /// </summary>
        /// <param name="state">True to start the service, false to stop it.</param>
        [OperationContract]
        void IsRunning(bool state);
    }
}
